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pagerage.exe

KBM2 Installer

sterkly LLC

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application pagerage.exe by sterkly has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from api.kbm2.com.
Publisher:
sterkly LLC  (signed and verified)

Product:
KBM2 Installer

Version:
2.1.0.1

MD5:
a272ddbdab7b21efebe33c51c84caad0

SHA-1:
c3cf2b1a3d870a7378ff3c60a2bb23b58ad0c9b4

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/16/2024 11:57:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.12.22

File size:
531.1 KB (543,888 bytes)

Product version:
2.1.0.1

Copyright:
(c) Sterkly LLC. All rights reserved.

Original file name:
KBM2.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\pagerage.exe

Digital Signature
Signed by:
sterkly LLC

Authority:
VeriSign, Inc.

Valid from:
1/25/2012 7:00:00 PM

Valid to:
1/25/2013 6:59:59 PM

Subject:
CN=sterkly LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=sterkly LLC, L=Carlsbad, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
136DB6717AA1462B8176971FE58FEBD6

File PE Metadata
Compilation timestamp:
8/30/2012 4:45:19 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x391E8

Entry point:
E8, A6, 6C, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, D0, FB, 46, 00, 75, 02, F3, C3, E9, 2D, 6D, 00, 00, 8B, FF, 55, 8B, EC, 56, 8B, 75, 14, 85, F6, 75, 04, 33, C0, EB, 61, 83, 7D, 08, 00, 75, 13, E8, 71, 33, 00, 00, 6A, 16, 5E, 89, 30, E8, 04, 73, 00, 00, 8B, C6, EB, 48, 83, 7D, 10, 00, 74, 16, 39, 75, 0C, 72, 11, 56, FF, 75, 10, FF, 75, 08, E8, FE, 6D, 00, 00, 83, C4, 0C, EB, C7, FF, 75, 0C, 6A, 00, FF, 75, 08, E8, 4C, 2F, 00, 00, 83, C4, 0C, 83, 7D, 10, 00, 74, BB, 39, 75, 0C, 73, 0E, E8, 27, 33, 00, 00, 6A...
 
[+]

Entropy:
6.2399

Code size:
337.5 KB (345,600 bytes)

The file pagerage.exe has been seen being distributed by the following URL.

http://api.kbm2.com/DownloadLauncher.ashx?id=1&message=affid=5008&s1=direct&s2=none&s3=us-&s4=&s5=&cid=2290&o=2&s=217004127&p=5008&a=s1_tim&cmp=2&stld=TRANSACTION_ID

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